[英]an Error [nodemon] app crashed - waiting for file changes before starting
[英]nodemon app crashed - waiting for file changes before starting ... Error
應用程序
const express = require("express");
const path = require("path");
const homeRouter = require("./routes/home.routes");
const app = express();
const port = 8000;
app.use(express.static(path.join(__dirname, "assets")));
app.use(express.static(path.join(__dirname, "images")));
app.set("view engine", "ejs");
app.set("views", "views");
app.use("/", homeRouter);
app.listen(port, () => {
console.log(`server listen on port ${port}`);
});
回家路線
const router = require('express').Router()
const homeController = require('../controllers/home.controller')
router.get('/', homeController.getHome)
module.exports = router
家庭控制器
const productsModel = require('../models/products.models')
exports.getHome = (req,res,next) => {
//get products
//get render index.ejs
productsModel.getAllproducts().then(products => {
res.render('index', {
products: products
})
})
}
產品.模型
const mongoose = require("mongoose");
const DB_URL = 'mongodb://localhost:27017/shop'
const productsSchema = mongoose.Schema({
name:String,
image:String,
price:String,
category:String,
description:String
})
const product = mongoose.model('product', productsSchema)
exports.getAllproducts = () => {
//connect to db
//get products
//disconnect
return new Promise((resolve,reject) => {
mongoose.connect(DB_URL).then(() => {
return product.find({})
}).then(products => {
mongoose.disconnect()
resolve(products)
}).catch(err => reject(err))
})
}
錯誤
節點:事件:504 拋出 er; // 未處理的“錯誤”事件 ^
錯誤:監聽 EADDRINUSE:在 Server.listenHandle [as _listen2] (node:net:1330:16) atlistenInCluster (node:net:1378:12) 在 Server.listen (node:net: 1465:7) 在 Function.listen (C:\Users\islam\OneDrive\Desktop\shopnode\node_modules\express\lib\application.js:635:24) 在 Object。 (C:\Users\islam\OneDrive\Desktop\shopnode\app.js:17:5) 在 Module._compile (node:internal/modules/cjs/loader:1103:14) 在 Object.Module._extensions..js (node:internal/modules/cjs/loader:1157:10) 在 Module.load (node:internal/modules/cjs/loader:981:32) 在 Function.Module._load (node:internal/modules/cjs/loader :822:12) 在 Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:77:12) 在服務器實例上發出 'error' 事件: atemitErrorNT (node:net:1357:8) at processTicksAndRejections (節點:內部/進程/任務隊列:83:21){代碼:'EADDRINUSE',
errno: -4091, syscall: 'listen', address: '::', port: 8000 } [nodemon] app crashed - 在開始之前等待文件更改...
如果我們有一些正在運行的項目都是相同的端口並且在您的服務器上然后捕獲這個錯誤並且我在那段時間解決了。
打開終端設置您的目錄位置並在您的終端上運行此命令,使用以下命令執行此操作:- pkill node
或用於 mac:- sudo killall -9 node
或 windows:- > killall -9 node
或
killall node
否則在您定義的端口上使用它修改您的代碼var port = process.env.PORT || 8000;
var port = process.env.PORT || 8000;
做所有這些事情然后服務器重啟npm start
或node app.js
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